My mom said that if i get held back in 7th i will go back to 6th bc supposedly that means i diddnt learn enough in 6th is that true

According to the kinetic-molecular theory, what happens to a liquid when it is transferred from one container to another? the volume and the shape stay the same. the volume increases to fill the new container, but the shape stays the same. the volume stays the same, but the shape changes to fit the new container. the volume and the shape change to fill the new container.